Question 1

What are the cheapest airlines flying from London to San Francisco round-trip?

Accepted Answer

TAP AIR PORTUGAL, at $477, was found to be the cheapest airline from London to San Francisco.Alternate airlines to your destination round-trip include Scandinavian Airlines and Virgin Atlantic. You may be able to fly from London to San Francisco for 25% less than the average price by searching for these airlines.

Question 2

How recently were the London to San Francisco flight deals updated?

Accepted Answer

The London to San Francisco flight deals you see on this page were last updated on 5/21.

Question 3

When is the best time to book a flight from London to San Francisco?

Accepted Answer

The price you pay for your flight from London to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Question 4

When is the best time to book a flight from London to San Francisco?

Accepted Answer

Currently, September is the cheapest month in which you can book a flight from London to San Francisco (average of $268). Flying from London to San Francisco in June is currently the most expensive (average of $383). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Question 5

When is the cheapest time to fly from London to San Francisco?

Accepted Answer

Travelers seeking maximum savings on their London to San Francisco flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Question 6

What are the most popular routes from London to San Francisco?

Accepted Answer

When deciding which route to take from London to San Francisco consider London Heathrow - San Francisco, London City - San Francisco or London Gatwick - San Francisco as they are the most popular.

Question 7

What are the cheapest flights from London to San Francisco?

Accepted Answer

While on average a flight from London to San Francisco is generally $2,839, our data shows the cheapest flight currently is $530. When looking at the most popular route, (London Heathrow - San Francisco), you can expect to pay $476 for that flight.

Question 8

What are the most reliable airlines from London to San Francisco?

Accepted Answer

No one likes to see their flight delayed. When booking a flight from London to San Francisco consider choosing Air Canada (74%), Austrian Airlines (74%) or United Airlines (74%) as they are the most reliable in getting you off to your destination on time.

Question 9

What are the most popular airlines that fly from London to San Francisco?

Accepted Answer

Consider American Airlines, Finnair or British Airways when booking your flight. These represent the most popular airlines when flying from London to San Francisco.

Question 10

Can I find flights from London to San Francisco for under $500 on Cheapflights?

Accepted Answer

Yes, there are multiple flights from London to San Francisco for under $500. The cheapest flight booked recently is on TAP AIR PORTUGAL for just $477, but on average you can expect to pay $496.

Question 11

Are there nonstop flights from London to San Francisco for under $600 on Cheapflights?

Accepted Answer

Cheapflights has at least 20 direct flights from London to San Francisco under $600. A good price for a nonstop flight from London to San Francisco is less than $555.

Question 12

Are there last-minute flights available from London to San Francisco for under $700?

Accepted Answer

There are currently 20+ open flights from London to San Francisco within the next 7 days for less than $700.

Question 13

What is the cheapest day to fly round-trip from London to San Francisco?

Accepted Answer

Saturday flights are found to be more expensive to fly from London to San Francisco. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to San Francisco.

Question 14

How far in advance should I book a flight from London to San Francisco?

Accepted Answer

To save on the cost of your flight from London to San Francisco, book at least 58 days before your planned departure. Booking around this time can save you about 16% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $624 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $694.

Question 15

What is the cheapest month to fly from London to San Francisco?

Accepted Answer

February can be a great time to fly to San Francisco from London with a flight ticket averaging about $644. Cheapflights users have found deals in the month of February for as cheap as $412. The most expensive prices can be found in the month of July.

Question 16

When is the cheapest time to fly from London to San Francisco (LON - SFO)?

Accepted Answer

It’s optimal to fly from London to San Francisco in the morning. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the evening.

Question 17

What airport do you fly into for flights to San Francisco from London?

Accepted Answer

Located just 11.8 mi from the city center, San Francisco is the airport most travelers will use when flying to San Francisco from London. Booking flights from London to San Francisco (SFO) should be relatively easy as there are 31 daily inbound flights from London from 12 different airlines.

Question 18

Accepted Answer

One of the most popular airlines traveling from London to San Francisco is TAP AIR PORTUGAL. Flights from TAP AIR PORTUGAL traveling this route typically cost $699.32 RT. This price is typically 68% more expensive than other airlines that offer London to San Francisco flights. When booking this route, the cheapest RT price found was $534. The most popular departure airport in London when flying to San Francisco is London Heathrow Airport. The most popular airport to fly into when visiting San Francisco is San Francisco Airport. When flying from London to San Francisco, TAP AIR PORTUGAL flights are 8% more popular than any other airline flying that same route.

Question 19

Accepted Answer

If you’re traveling from London to San Francisco, one of the more common airlines traveling that route is Scandinavian Airlines. Flights from Scandinavian Airlines traveling this route typically cost $578.30 RT. This price is typically 84% more expensive than other airlines that offer London to San Francisco flights. When booking this route, the cheapest RT price found was $411. When traveling from London to San Francisco on Scandinavian Airlines, the most popular airport to depart from is London Heathrow Airport and the most popular airport to arrive at is San Francisco Airport. When flying from London to San Francisco, Scandinavian Airlines flights are 4% more popular than any other airline flying that same route.

Question 20

What does LHR to SFO mean?

Accepted Answer

Great question - LHR to SFO just means London Heathrow Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights! London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN) are some additional IATA codes for airports related to your trip.

Question 21

Can I find deals for flights from London to San Francisco that include extra baggage allowance?

Accepted Answer

The amount of baggage you can bring on your London to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Question 22

Can I find deals on flights from London to San Francisco with specific airlines?

Accepted Answer

Yes, Cheapflights allows you to browse and filter London to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Question 23

Can I find deals for flights from London to San Francisco that include hotel bookings?

Accepted Answer

Yes. In addition to deals on London to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 24

How can I find direct flights from London to San Francisco?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to San Francisco.

Question 25

Can I find deals for business class flights from London to San Francisco?

Accepted Answer

Yes. Cheapflights offers flight deals from London to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Question 26

Can I find deals for flights from London to San Francisco that allow pets onboard?

Accepted Answer

Many airlines flying from London to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Question 27

Can I find deals on last-minute flights from London to San Francisco?

Accepted Answer

Yes, you can often find last-minute deals on London to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

Question 28

How does Cheapflights help users find flights from London to San Francisco?

Accepted Answer

Cheapflights makes it easy to find London to San Francisco flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Question 29

Why should you use Cheapflights to find cheap flight tickets from London to San Francisco?

Accepted Answer

Cheapflights simply makes it quick and affordable to book flights from London to San Francisco by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Question 30

Can Cheapflights find flights from London to San Francisco with no change fees?

Accepted Answer

Cheapflights does show flights with no change fees to all users. To see these options for flights from London to San Francisco, users can toggle the no change fees filter when performing a flight search.

Question 31

Can Cheapflights notify me if prices for flights from London to San Francisco become cheaper?

Accepted Answer

Of course! You can now track prices for flights from London to San Francisco and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

Popular in	July
Cheapest in	February
Round-trip from	$268
One-way from	$262

Airline	Cheapest	Average	Flexibility	On-time
Finnair	Cheapest$411	Average$578	FlexibilityNo cancel fee	On-time76%	Search Finnair flights
Scandinavian Airlines	Cheapest$419	Average$564	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Lufthansa	Cheapest$490	Average$609	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Iberia	Cheapest$507	Average$716	FlexibilityNo cancel fee	On-time77%	Search Iberia flights
British Airways	Cheapest$519	Average$647	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Delta	Cheapest$534	Average$699	FlexibilityNo cancel fee	On-timeN/A	Search Delta flights
United Airlines	Cheapest$538	Average$675	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Virgin Atlantic	Cheapest$538	Average$740	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Aer Lingus	Cheapest$551	Average$684	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
American Airlines	Cheapest$571	Average$710	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

0%of flight departures	Early morningMidnight to 6 am
51%of flight departures	Morning6 am to noon
49%of flight departures	AfternoonNoon to 6 pm
0%of flight departures	Evening6 pm to midnight

Sunday	31daily flights
Monday	31daily flights
Tuesday	31daily flights
Wednesday	31daily flights
Thursday	31daily flights
Friday	31daily flights
Saturday	31daily flights

Cheap flights from London (LON) to San Francisco (SFO) from $262

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.

The best prices from London to San Francisco are usually found in February or November, booked 57 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from London to San Francisco

Popular in

Cheapest in

Round-trip from

One-way from

What is the cheapest day to fly round-trip from London to San Francisco?

How far in advance should I book a flight from London to San Francisco?

What is the cheapest month to fly from London to San Francisco?

When is the cheapest time to fly from London to San Francisco (LON - SFO)?

Cheap TAP AIR PORTUGAL flights from London to San Francisco

Find some of the cheapest TAP AIR PORTUGAL flights traveling from London to San Francisco. It's recommended that users confirm their flight details before booking.

Cheap Scandinavian Airlines flights from London to San Francisco

Some of the lowest-priced Scandinavian Airlines flights we've found at this time heading from London to San Francisco. Deals are refreshing constantly so come back soon for more options.

Cheap London to San Francisco flights in May & June 2024

Find cheap flight options from London to San Francisco specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Prices were last updated on mayo 22, 2024.

These are some of the best deals we've found on flights to San Francisco in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

London to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between London and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,730,072 searches. Data last updated mayo 22, 2024.

These are some of the best deals we've found on flights to San Francisco in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to San Francisco from London

To help reduce your travel time, choose from one of these non-stop flights from London to San Francisco. If you're looking for other options for flights from London to San Francisco, make sure to update the search form at the top of page.

London to San Francisco flights leaving soon

Consider one of these great deals we found on last-minute flights from London to San Francisco. To prevent any unwanted surprises, users should verify their flight info before booking.

One-way flights to San Francisco from London

Users in need of a one-way flight from London to San Francisco can choose from these deals. Users in need of a round-trip flight from London to San Francisco instead should update the search form at the top of page.

Find flights from London to San Francisco within your budget

When is the best time to book a flight from London to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from London to San Francisco. Price data was last updated on May 10, 2024.

The price you pay for your flight from London to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 57 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

When is the cheapest time to fly from London to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from London to San Francisco. Price data was last updated on May 19, 2024.

Best time to book a flight from London to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from London with our price prediction graph.

Temperature and rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature and rainfall totals by month.

Reviews of airlines servicing San Francisco

See what other customers who have flown with TAP AIR PORTUGAL, Scandinavian Airlines and Virgin Atlantic from London to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from London to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly into for flights to San Francisco from London?

Can I find flights from London to San Francisco for under $500 on Cheapflights?

Are there nonstop flights from London to San Francisco for under $600 on Cheapflights?

Are there last-minute flights available from London to San Francisco for under $700?

What are the cheapest airlines flying from London to San Francisco round-trip?

What are the most popular routes from London to San Francisco?

What are the most reliable airlines from London to San Francisco?

What are the cheapest flights from London to San Francisco?

What does LHR to SFO mean?

Can I find deals for flights from London to San Francisco that include extra baggage allowance?

Can I find deals on flights from London to San Francisco with specific airlines?

Can I find deals for flights from London to San Francisco that include hotel bookings?

How can I find direct flights from London to San Francisco?

Can I find deals for business class flights from London to San Francisco?

Can I find deals for flights from London to San Francisco that allow pets onboard?

Can I find deals on last-minute flights from London to San Francisco?

How recently were the London to San Francisco flight deals updated?

What are the most popular airlines that fly from London to San Francisco?

When is the best time to book a flight from London to San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to San FranciscoSee prices for flight routes from nearby airports that may be better suited for you.

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from London to San Francisco

Popular flight searches

Check out other popular destinations found by fellow travelers in 2024

Search flights from London to San Francisco by cabin class

Find flights from London to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from London to San Francisco

Find hourly flight availability from London to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated mayo 22, 2024.

Weekly flight availability from London to San Francisco

Explore weekly flight availability from London to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated mayo 22, 2024.

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from London to San Francisco?

Why should you use Cheapflights to find cheap flight tickets from London to San Francisco?

Alternative routes for London to San Francisco
See prices for flight routes from nearby airports that may be better suited for you.